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Koyo RNA4920 — catalogue photograph of the needle roller bearing family

Koyo RNA4920 needle roller bearing inner ring

Koyo RNA4920 needle roller bearing inner ring: roller bore diameter Fw 115 mm, outside diameter D 140 mm, width 40 mm; cross-references: IKO RNA4920, INA RNA4920.

Needle roller bearing inner rings · All Koyo part numbers

Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.

Koyo RNA4920 — catalogue photograph of the needle roller bearing familyKoyo RNA4920 — catalogue drawing of the needle roller bearing family

Specifications

Roller bore diameter Fw115 mm
Outside diameter D140 mm
Width40 mm
Basic dynamic load rating Cr139 kN
Shaft diameter115 mm
Basic static load rating C0r296 kN
Limiting speed, grease lubrication2400 min-1
Limiting speed, oil lubrication3700 min-1
Mass1.220 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verifiedprinted in Koyo’s own catalogue

Cross-references

PartManufacturerRelationshipEvidence
IKODimensional interchangeSingle sourcestated by Koyo; not corroborated
INADimensional interchangeSingle sourcestated by Koyo; not corroborated

Koyo: 'Dimensional interchangeability only. This does not imply interchangeable in all respects.' (Metric NRB Interchange Guide p18)

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